199472013

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 332200960

約数和(自身を除く): 132728947

約数列:

[1, 3, 9, 13, 19, 39, 57, 61, 117, 171, 183, 247, 549, 741, 793, 1159, 1471, 2223, 2379, 3477, 4413, 7137, 10431, 13239, 15067, 19123, 27949, 45201, 57369, 83847, 89731, 135603, 172107, 251541, 269193, 363337, 807579, 1090011, 1166503, 1704889, 3270033, 3499509, 5114667, 10498527, 15344001, 22163557, 66490671, 199472013]

約数ペア:

[(1, 199472013), (3, 66490671), (9, 22163557), (13, 15344001), (19, 10498527), (39, 5114667), (57, 3499509), (61, 3270033), (117, 1704889), (171, 1166503), (183, 1090011), (247, 807579), (549, 363337), (741, 269193), (793, 251541), (1159, 172107), (1471, 135603), (2223, 89731), (2379, 83847), (3477, 57369), (4413, 45201), (7137, 27949), (10431, 19123), (13239, 15067)]